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RE: Instantiating multiple ModelSwarms


From: Fred Wan
Subject: RE: Instantiating multiple ModelSwarms
Date: Wed, 18 Jul 2001 18:31:37 +0200

> You and I have a lot in common. I tried that for a long long time with a

Thanks, I'll take that as a compliment ... :) I'll follow your
recommendations (although I still have this rankling feeling that the
ExperSwarm approach should work) and report if I run into anything
interesting (or frustrating).


> project I called RepeatingHeatbugs.  It sorta worked, for some versions
> of Swarm. Eventually, since it never worked properly, we (the swarm guys
> and I) went around and around on this and in the end the advice I got
> was to give up on that approach, and rather start a new program with
> command line parameters for each run.  I personally think we ought to
> get rid of that Experiment Swarm thing in the swarmapps distribution,
> because it gives you hope and then crushes you.
>
> Instead, I recommend you follow the approach outlined here:
> http://lark.cc.ukans.edu/~pauljohn/ps909/simpleObserverBug3-6.tar.gz
>
> I think (hope, believe) a version of that will appear in the next
> swarmapps release.  Today, I have just done some tweaks to make this run
> with Today's swarm snapshot, so it should be all clear sailing.
>
> Please note, on the java side of things, I recently posted a number of
> java command line argument passing examples that Sven T prepared, along
> with a memo from him about it. If you don't find it in SwarmOnlineFaq,
> email me.  Also, please look in the README,where I explain how to get
> snapshots of the screen in an automated fashion. In java, you don't have
> CPP flags, so I guess you have to create an variable somewhere that
> conditionalizes the model's run/stop/snapshot behavior.
>
> pj
> >
> > The general question is now how to do this, i.e., how to add the display
> > objects (of SimpleObserverSwarm etc.) to ExperSwarm. Is there
> an extra Swarm
> > in between necessary perhaps? The control scheme would then become:
> > ExperSwarm -> ObserverSwarm -> ModelSwarm
> >
> --
> Paul E. Johnson                       email: address@hidden
> Dept. of Political Science            http://lark.cc.ukans.edu/~pauljohn
> University of Kansas                  Office: (785) 864-9086
> Lawrence, Kansas 66045                FAX: (785) 864-5700
>
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